Used iPad test standards
A: All functions are normal, no scratches on the screen/back shell, as good as new.
B: All functions are normal, with slight scratches on the screen/back shell, no impact damage, good condition.
C: All functions are normal, with deep scratches on the screen/back shell, impact damage, no bending.
D: All functions are normal, the cover is cracked, the screen is in tact, no bending.
Bad L CD: All functions are normal, bad screen, complete appearance.
DOA: No charging response, power off/ water entered, complete appearance.